Cita APA

(1995). Earth changes through time. Macmillian/McGraw-Hill school pub.

Chicago Style Citation

Earth Changes Through Time. Macmillian/McGraw-Hill school pub, 1995.

Cita MLA

Earth Changes Through Time. Macmillian/McGraw-Hill school pub, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.